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/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "GrClearOp.h"
#include "GrGpuCommandBuffer.h"
#include "GrMemoryPool.h"
#include "GrOpFlushState.h"
#include "GrProxyProvider.h"
std::unique_ptr<GrClearOp> GrClearOp::Make(GrContext* context,
const GrFixedClip& clip,
GrColor color,
GrSurfaceProxy* dstProxy) {
const SkIRect rect = SkIRect::MakeWH(dstProxy->width(), dstProxy->height());
if (clip.scissorTest() == GrScissorTest::kEnabled &&
!SkIRect::Intersects(clip.scissorRect(), rect)) {
return nullptr;
}
GrOpMemoryPool* pool = context->contextPriv().opMemoryPool();
return pool->allocate<GrClearOp>(clip, color, dstProxy);
}
std::unique_ptr<GrClearOp> GrClearOp::Make(GrContext* context,
const SkIRect& rect,
GrColor color,
bool fullScreen) {
SkASSERT(fullScreen || !rect.isEmpty());
GrOpMemoryPool* pool = context->contextPriv().opMemoryPool();
return pool->allocate<GrClearOp>(rect, color, fullScreen);
}
GrClearOp::GrClearOp(const GrFixedClip& clip, GrColor color, GrSurfaceProxy* proxy)
: INHERITED(ClassID())
, fClip(clip)
, fColor(color) {
const SkIRect rtRect = SkIRect::MakeWH(proxy->width(), proxy->height());
if (fClip.scissorTest() == GrScissorTest::kEnabled) {
// Don't let scissors extend outside the RT. This may improve op combining.
if (!fClip.intersect(rtRect)) {
SkASSERT(0); // should be caught upstream
fClip = GrFixedClip(SkIRect::MakeEmpty());
}
if (GrProxyProvider::IsFunctionallyExact(proxy) && fClip.scissorRect() == rtRect) {
fClip.disableScissor();
}
}
this->setBounds(
SkRect::Make(fClip.scissorTest() == GrScissorTest::kEnabled ? fClip.scissorRect()
: rtRect),
HasAABloat::kNo, IsZeroArea::kNo);
}
void GrClearOp::onExecute(GrOpFlushState* state) {
SkASSERT(state->rtCommandBuffer());
state->rtCommandBuffer()->clear(fClip, fColor);
}
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